// Make sure the Internet is working before making any API call
if (!isOnline()) {
    showNoInternetAlert(object : OnPositive {
        override fun onYes() {
            // re-call api
        }
    })
    return
}

// Internet is working so now you can make API call
launch {
    
    try {               

        //  Make request and wait until get response
        val reqAPI = apiClient.<your-method>
        val resAPI = reqAPI.await()

        // Validating API response
        if (isValidResponse(resAPI)) {                 
            // Success: Perform your further task
           
        } else {
            // Generic exception occurred
            errorAlert(object : OnPositive {
                override fun onYes() {
                    // re-call api
                }
            })
       
        }
        
    } catch (exception: Exception) {
        // Exception occurred
        val errorMessage = apiExceptionHandler(exception, object : OnPositive {
            override fun onYes() {
                // re-call api
            }
        })
    }
}